Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Deleau Frederic
Hubert Freres
Original Assignee
Deleau Frederic
Hubert Freres
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Application filed by Deleau Frederic, Hubert FreresfiledCriticalDeleau Frederic
Priority to ES1494ApriorityCriticalpatent/ES1494A1/es
Publication of ES1494A1publicationCriticalpatent/ES1494A1/es
ES1494A1881-03-161881-03-16Un nuevo aparato generador de un gas propio para el alumbrado, la calefacción y la producción de fuerza motriz.
ExpiredES1494A1
(es)
Un procedimiento de calefacción previa del aire, que alimenta la combustión de una pieza metálica, para hacer más intensos los efectos luminosos de aquellas.